Famous food & crafts · Paris 18 Buttes-Montmartre, France
Montmartarite gypsum
Gypsum mined beneath Montmartre was processed and sold as montmartarite. It was used to make plaster valued for its resistance to fire and water.
Famous food & crafts · Paris 18 Buttes-Montmartre, France
Gypsum mined beneath Montmartre was processed and sold as montmartarite. It was used to make plaster valued for its resistance to fire and water.
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